<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<!-- <script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script>  -->
<script src="https://cdn.staticfile.org/angular.js/1.3.17/angular.min.js"></script> 
</head>
<body>

<div data-ng-app="" data-ng-init="firstName='John'">

<p>姓名为
	<span data-ng-bind="firstName"></span>
</p>

<p ng-if="test()">{{ test }}</p>
</div>

<script>
	
</script>

</body>
</html>